Q. 105.0( 2 Votes )

# Solve the following systems of equations graphically:

Answer :

For the equation 2x + 3y + 5 = 0,

When x = -1 , y =- 1

When x = 5 , y =- 5

Table is :

Plot the points A(-1,-1) B(-5,5) on the graph

For the equation 3x – 2y – 12 = 0 ,

When x = 0, y = -6

When x = 2 , y = -3

Table is :

Plot the points C(0,-6) D(2,-3) on the graph

Since the two lines meet at the point (2,-3)

Therefore, x = 2 and y = -3

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Solve the following system of equations graphically. Also find the points where the lines intersect x – axis.

x + 2y = 1

x— 2y = 7

KC Sinha - MathematicsSolve the following system of equations graphically. Also find the points where the lines intersect x – axis.

2x + 3y = 8

x — 2y = — 3

KC Sinha - MathematicsSolve the following system of equations graphically. Also find the points where the lines intersect x – axis.

x + 2y = 5

2x — 3y = — 4

KC Sinha - MathematicsSolve the following system of linear equations graphically.

3x — 2y – 1 = 0

2x — 3y + 6 = 0

Shade the region bounded by the lines and the x – axis.

KC Sinha - MathematicsSolve the following system of equations graphically. Also find the points where the lines meet the y – axis.

2x — y — 5 = 0

x — y — 3 = 0

KC Sinha - MathematicsSolve the following system of equations graphically. Also find the points where the lines meet the y – axis.

2x — y = 4

3y — x = 3

KC Sinha - Mathematicsx + 2y = 1

x — 2y = —7

KC Sinha - MathematicsSolve the following pair of linear equations graphically and shade the region bounded by these lines and x – axis; also find the area of the shaded region.

4x — 3y + 4 = 0

4x + 3y — 20 = 0

KC Sinha - Mathematics